CN102834583A - Subsea orientation and control system - Google Patents

Subsea orientation and control system Download PDF

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Publication number
CN102834583A
CN102834583A CN2011800187239A CN201180018723A CN102834583A CN 102834583 A CN102834583 A CN 102834583A CN 2011800187239 A CN2011800187239 A CN 2011800187239A CN 201180018723 A CN201180018723 A CN 201180018723A CN 102834583 A CN102834583 A CN 102834583A
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China
Prior art keywords
equipment
instrument
test
under water
module
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Granted
Application number
CN2011800187239A
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Chinese (zh)
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CN102834583B (en
Inventor
安德斯·毕灵顿
阿尔·辛内斯
克里斯汀·索维克
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Aksheng Co Ltd
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Aker Subsea AS
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/04—Manipulators for underwater operations, e.g. temporarily connected to well heads
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E21B47/117—Detecting leaks, e.g. from tubing, by pressure testing

Abstract

The invention provides a tool for subsea installation and testing of wellhead modules such as Xmas trees and similar equipment, from a ship using a ship crane, distinctive in that the tool comprises a subsea unit comprising a connector for releasable connection to subsea wellhead modules or equipment, means for positioning and means for testing, and a connector for electric power and electric and/or optical control. Method using the tool.

Description

The system that is used for Installation And Test underwater well head equipment
Invention field
The present invention relates to underwater well head assembly (wellhead stack).More specifically, the present invention relates to be used to install the for example tool and method of well head XT (production tree) and associated equipment of wellhead component.
Background of invention and prior art
Normally, the underwater well head assembly is installed through derrick and a series of drilling rod that use is used to settle usually.Except power line and control line, the independent umbilical duct (umbilical) from the frame to the wellhead equipment also provides the pressure fluid that is used to test with test running.Normally, one or more ROV also is used in the operation.The equipment of time and use is very expensive.In the shallow water territory, wise is, if especially derrick is still in the indentured period, if derrick begins drilling well at the scene and, so then be used to install a plurality of production XT (production tree) and other relevant devices.Yet in deepwater field, it can be thousands of meters the degree of depth, and comprises a large amount of well heads, and expense can be huge.Sometimes, derrick must return in order to test further or to install, and causes having increased expense.Connecting the drilling rod and the operation with big reel of umbilical duct that reach until thousands of meters, the hydraulic power unit, hydraulic fluid memory and the gas that are used to test are installed, all is expensive and time-consuming.Weight and size need big space, and possibly on the deck of derrick, need some containers.Therefore, for not using derrick to install and test useful technology for the underwater well head assembly, and realizing that the technology requirement of important breakthrough exists aspect the time period of the equipment of needs and operation.
Summary of the invention
The present invention has satisfied above-mentioned demand.
More specifically, the invention provides and be used for utilizing ship's crane to wellhead module production tree and the similar equipment instrument that carries out installation and checkout under water for example, it is characterized in that said instrument comprises from ship:
Unit under water, said unit under water comprises the connector that is used for being connected to releasedly underwater well head module or equipment, the equipment that is used to locate and the equipment that is used to test, and the connector that is used for electric power and electrical control and/or photocontrol.
When the signal that has only electric power and electrical control and/or photocontrol transmits between water surface site and well head zone, said instrument not via umbilical duct or other pressure piping from water surface sap pressure supply liquid or gas.Said instrument is fit to through the ship's crane loading and unloading, as being suspended on the rope or hoist cable of connection via suspension ring, suspender or similar equipment.Outside the lower unit that dewaters, said instrument also comprises top control appliance and being connected to electric power and control appliance.Said unit under water is connected with the top facility umbilical duct through electric/light, and alternatively, via being connected to the ROV of unit under water, that is, the umbilical duct of work-ROV system (work-ROV system) can be used for power supply and control.Correspondingly; Be not used in from the standpipe that be used for pressure fluid or the flexible pipe of ship until instrument; Be not used in the standpipe or the flexible pipe of installation, test running; Also be not used in the standpipe or the flexible pipe of test, this provides the huge advantage that surmounts conventional art of the present invention, particularly under the situation of big well depth and a large amount of wellhead component.
Said instrument is for underwater kit; Particularly well head is produced production tree, wellhead module, pump formula compressor and dissimilar unit, particularly for too heavy and/or too big and can not use traditional ROV system and instrument come Installation And Test equipment installation and all functions test and be useful with communicating by letter of all the sensors.
Preferably, said instrument comprises the equipment that is used for said unit under water is connected to ROV (remote control device), and it realizes under water power supply and the control of unit with its umbilical duct from top control module (topside controlunit) via ROV.The equipment that is connected to ROV is preferably one or more docking stations, and it has socket and the connector that is connected with the relevant device operability of ROV.Connector is independent or shared for hydraulic power, electric power and signal, and most of ROV operators can provide this connector, for example is used for having of electric power and/or signal heat induction or contact type connector and goes into button (hot stab).
Preferably, the crane on ship, the equipment that is used for locating also preferably includes propeller that is integrated in said instrument and the thrust that applies from the optional ROV of parking.In addition, suspension hook, suspender etc. also can be considered to the equipment that is used to locate, allows through on fall rope or hoist cable, hanging up to realize the location.
Preferably; Said unit under water comprises and is used for confirming position and directed equipment, and it comprises navigation system and the optional other position sensor in unit, wellhead module and equipment and the uphole instruments and the optional video camera (camera) on instrument and wellhead module or the equipment under water of the ROV of the free gyroscope in the unit under water, optional connection.
Said instrument comprises and is used to the equipment testing and try out, and it preferably includes: fluid storehouse (fluidbank), and such as the nitrogen accumulator (nitrogen gas accumulator) and the cylinder that are used to seal with pressure test; With being used for unit under water is mechanically connected to well head and after the mechanicalness function field investigation that for example valve function and hydraulic fluid are filled, breaks off the equipment of unit under water, for example under water in the unit or/and MEG storehouse and the hydraulic power unit in the optional ROV system of going into button or homologue connection via heat.Preferably, the unit has hydraulic power unit under water, and it comprises that the hydraulic circuit of unit uses MEG as hydraulic fluid easily by the hydraulic motor of the hydraulic test driving of ROV under water.
The present invention also is provided for utilizing ship's crane and using instrument of the present invention underwater well head module or equipment to be installed such as the method for XT (production tree) from ship; It is characterized in that; Dispose wellhead module or equipment; Said wellhead module or equipment use mechanical connector and ship's crane to be connected to the unit under water of said instrument releasedly; But have no umbilical duct or pipeline liquid or gas to be provided, and be to use like said instrument that is connected to aneroid umbilical duct electric or photoelectricity or the ROV that is used for locating and being connected to subsea wellheads from the water surface.
Preferably, said method also comprises the step that is used for pressure and functional test, and after above-mentioned test, breaks off said instrument from wellhead module or equipment.
Further; The present invention is provided for the equipment of the pressure test of underwater well head module or equipment; It is characterized in that; Said equipment comprises accumulator (gas filled accumulator) that is filled with gas and the cylinder (gas filled cylinder) that is filled with gas, has connector that is used for mechanical connection hermetically and the connector that is used for power supply and control, for use in operability be connected to the underwater well head module or equip and test.Said equipment is included in the instrument of the present invention or is included in or is connected to releasedly other underwater kit, like pump, and compressor and module under water.
And the present invention is provided for utilizing ship's crane and utilizing said instrument of the present invention that the method for underwater well head module such as production tree and similar equipment is installed from ship, it is characterized in that:
With the accumulator that is filled with gas be filled with the cylinder of gas and be used for power supply and the connector of control be connected to hermetically said module under water or the equipment,
Through open accumulator with water from wanting volume emptying to be tested so that water is replaced with gas,
Through the operation cylinder, be pressurized to test pressure, and
Monitoring pressure continues the official hour section.
Accompanying drawing
The present invention is illustrated through 4 accompanying drawings, wherein:
Fig. 1 shows according to instrument of the present invention, before being connected to well head,
Fig. 2 showed still before being connected to well head but instrument shown in Figure 1 when being connected to ROV,
Fig. 3 shows the instrument illustrated in figures 1 and 2 that is connected to well head, and
Fig. 4 is the more detailed explanation of instrument of the present invention.
Specify
With reference to figure 1, Fig. 1 shows according to instrument of the present invention, the unit under water 1 of said instrument more particularly, and it is connected to subsea production tree 2 releasedly, to be used to be connected to underwater well head 3.Said assembly is set up when from ship 4 suspensions.Likewise, ROV 5 is illustrated, and from ship, is handled.With reference to figure 2, Fig. 2 shows ROV and has been accommodated to unit 1 under water then.In the illustrated embodiment; Under water on the assembly of unit 1 and the production tree 2 suspensions rope aboard ship; Electric power and control signal are via ROV; Photoelectricity umbilical duct via ROV is provided, and uses the hydraulic power unit of ROV to drive the hydraulic system of unit under water via fluid torque-converter pump (hydraulic converter pump).Optional is; The unit can be directly connected to aneroid umbilical duct (fluidless umbilical) under water; Unit itself comprises and is used to control and test mechanical, electric and all devices any other device under water, or these equipment can all or to a great extent provide from the ROV system.Simultaneously, observation can be used to help operation with ROV.About 24 tonnes of shown unit weighs under water, heavily about 40 tonnes of the said production tree that connects releasedly.Production tree 2 illustrated in fig. 3 is connected to well head 3.Connect in test, the valve function with submarine system in after the communicating by letter of all the sensors, said unit under water 1 breaks off from production tree and connecting.
Fig. 4 is the more detailed explanation of instrument of the present invention.Similar part is named as same reference number in institute's drawings attached.Fig. 4 has showed clearly also that the ROV on the unit under water connects and has joined the station, gone into to buckle 7 like socket 6 and heat and be illustrated.

Claims (10)

  1. One kind be used for from ship utilize ship's crane to wellhead module for example production tree and similar equipment carry out the instrument of Installation And Test under water, it is characterized in that said instrument comprises:
    Unit under water, it comprises the connector that is used for being connected to releasedly underwater well head module or equipment, the equipment that is used to locate and the equipment that is used to test, and the connector that is used for electric power and electrical control and/or photocontrol.
  2. 2. instrument according to claim 1; It is characterized in that; When the signal that has only electric power and electrical control and/or photocontrol transmits between water surface site and well head zone, said instrument not via umbilical duct or other pressure piping from water surface sap pressure supply liquid or gas.
  3. 3. instrument according to claim 1 and 2; It is characterized in that said instrument comprises and is used for said unit under water is connected to ROV (long-distance operating device) so that realize the power supply of said under water unit and the equipment of control with its umbilical duct from top control module via said ROV.
  4. 4. instrument according to claim 1 is characterized in that, the crane on ship, the said equipment that is used for locating also comprises propeller that is integrated in said instrument and the thrust that applies from ROV selectable, that park.
  5. 5. instrument according to claim 1; It is characterized in that; Said unit under water comprises the equipment that is used for definite position and orientation, and the said equipment that is used for definite position and orientation comprises the free gyroscope of said unit under water, the navigation system of the ROV of alternative connection; And the optional other position sensor in said unit under water, wellhead module and equipment and the uphole instruments, and the optional video camera on said instrument and wellhead module or the equipment.
  6. 6. according to each described instrument among the claim 1-5; It is characterized in that; Said instrument comprises the equipment that is used to test with test running, and the said equipment that is used to test with test running comprises: the fluid storehouse, such as the nitrogen accumulator and the cylinder that are used to seal with pressure test; With being used for said unit under water is mechanically connected to said well head and after the mechanicalness function field investigation that for example valve function and hydraulic fluid are filled, breaks off the equipment of said unit under water, for example in said unit under water or/and MEG storehouse and the hydraulic power unit in the optional ROV system of going into button or homologue connection via heat.
  7. 7. one kind is used ship's crane and uses as each described instrument the claim 1-6 is installed underwater well head module for example production tree and the method for similarly equipping from ship; It is characterized in that; Dispose wellhead module or equipment; Said wellhead module or equipment use ship's crane to be connected to the unit under water of said instrument releasedly; But have no umbilical duct or pipeline liquid or gas to be provided, and be to use like said instrument that is connected to aneroid umbilical duct electric or photoelectricity or the ROV that is used for locating and being connected to subsea wellheads from the water surface.
  8. 8. method according to claim 6 is characterized in that said method also comprises the step that is used for pressure and functional test, and breaks off said instrument in said test back from wellhead module or equipment.
  9. 9. equipment that is used for the pressure test of underwater well head module or equipment; It is characterized in that; Said equipment comprises accumulator that is filled with gas and the cylinder that is filled with gas; Have and be used for mechanical seal connector that connects and the connector that is used for power supply and control, with operability be connected to said underwater well head module or equip and test.
  10. 10. one kind is used to use equipment according to claim 9 to the method that underwater well head module or equipment carry out pressure test, it is characterized in that,
    With the accumulator that is filled with gas be filled with the cylinder of gas, and the connector that is used for power supply and control is connected to said module under water or equipment hermetically,
    Through open said accumulator with water from wanting volume emptying to be tested so that water is replaced with gas,
    Through operating said cylinder, be pressurized to test pressure, and
    Monitoring pressure, the time of lasting specified sections.
CN201180018723.9A 2010-04-14 2011-04-13 For the system of Installation And Test underwater well head equipment Active CN102834583B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO20100532 2010-04-14
NO20100532A NO335430B1 (en) 2010-04-14 2010-04-14 Underwater installation tools and procedures
PCT/EP2011/055765 WO2011128355A2 (en) 2010-04-14 2011-04-13 Subsea orientation and control system

Publications (2)

Publication Number Publication Date
CN102834583A true CN102834583A (en) 2012-12-19
CN102834583B CN102834583B (en) 2015-10-21

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US (1) US9010431B2 (en)
CN (1) CN102834583B (en)
AU (1) AU2011240037B2 (en)
BR (1) BR112012025835B1 (en)
GB (1) GB2494792B (en)
MX (1) MX2012011657A (en)
MY (1) MY168579A (en)
NO (1) NO335430B1 (en)
WO (1) WO2011128355A2 (en)

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CN105691568A (en) * 2016-01-20 2016-06-22 深圳市盛福机械设备有限公司 Underwater equipment mounting and recycling system and method
CN107476798A (en) * 2016-06-07 2017-12-15 中国石油化工股份有限公司 One kind is suitable to deep water injection downcomer overall process well head attitude monitoring system and method
CN115405264A (en) * 2022-06-02 2022-11-29 海洋石油工程股份有限公司 Double-riser bottom gas injection system for deepwater oil and gas field

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CN105691568A (en) * 2016-01-20 2016-06-22 深圳市盛福机械设备有限公司 Underwater equipment mounting and recycling system and method
CN105691568B (en) * 2016-01-20 2018-07-06 深圳市盛福机械设备有限公司 A kind of underwater equipment installation recycling system and method
CN105696981A (en) * 2016-04-14 2016-06-22 深圳市雷斯特海洋工程有限公司 Device, system and method for blocking removal of flammable ice
CN107476798A (en) * 2016-06-07 2017-12-15 中国石油化工股份有限公司 One kind is suitable to deep water injection downcomer overall process well head attitude monitoring system and method
CN107476798B (en) * 2016-06-07 2020-11-13 中国石油化工股份有限公司 Wellhead attitude monitoring system and method suitable for whole process of deepwater jet downcomer
CN115405264A (en) * 2022-06-02 2022-11-29 海洋石油工程股份有限公司 Double-riser bottom gas injection system for deepwater oil and gas field
CN115405264B (en) * 2022-06-02 2024-02-09 海洋石油工程股份有限公司 Double-riser bottom gas injection system for deep water oil-gas field

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MX2012011657A (en) 2012-11-29
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NO20100532A1 (en) 2011-10-17
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AU2011240037B2 (en) 2016-06-09
AU2011240037A1 (en) 2012-11-08
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BR112012025835B1 (en) 2020-03-24
US20130220625A1 (en) 2013-08-29
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WO2011128355A2 (en) 2011-10-20
MY168579A (en) 2018-11-14

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